If you like "software" firewalls I'd 
suggest "Zonelabs". Norton is very pervasive and 
is not worth all the hype IMO. ZL It is very easy 
to configure, set up, and not so labor intesive 
on your system resources. Easy to turn on an off 
with a click of the mouse, and is cheaper than 
Norton. You can test drive it for free on cnet.com

Honestly, all of the "software" firewalls are 
probably beatable anyway by a real hacker-- if 
that is what you are worried about. If you 
want "real" protection, you need to turn to other 
means, like "hardware"-- starting with a NAT 
enabled router, access lists, proxy server, pix 
firewall. etc. But who is going corporate, 
right? :-)

E